Lee Jungwon returns to his longed for hometown of Samcheonpo after quitting his job. Kwon Dojin is a college student who simply ran away to the farthest place he knew from home. These two completely different people meet at Samcheonpo's sea and leave the worst first impressions on each other. Jungwon thinks he'll never see him again, but soon encounters Dojin right at his hometown house?! With nowhere to go, Dojin proposes living together under the excuse of teaching him how to swim. Jungwon, who intended to keep things moderate, gradually becomes more dependent on Dojin, who unlike his first impression is kind and mature, and starts becoming conscious of him... Will Jungwon and Dojin be able to live peacefully as planned without to get sidetracked?